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Finding the Fourth Proportional to 17,436, 26,135.70 and 8,539.06

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Solution

The fourth proportional to 17,436, 26,135.70 and 8,539.06 is: 12,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,436 : 26,135.70 = 8,539.06 : x
  2. Step 2: Convert to fraction form
    17,436/26,135.70 = 8,539.06/x
  3. Step 3: Cross multiply
    17,436x = 26,135.70 × 8,539.06
  4. Step 4: Simplify right side
    17,436x = 223,174,310.44
  5. Step 5: Solve for x
    x = 223,174,310.44/17,436
  6. Step 6: Final answer
    x = 12,799.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.